Home / 103,119.78-142,304.94-62,833.50

Finding the Fourth Proportional to 103,119.78, 142,304.94 and 62,833.50

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Solution

The fourth proportional to 103,119.78, 142,304.94 and 62,833.50 is: 86,710.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,119.78 : 142,304.94 = 62,833.50 : x
  2. Step 2: Convert to fraction form
    103,119.78/142,304.94 = 62,833.50/x
  3. Step 3: Cross multiply
    103,119.78x = 142,304.94 × 62,833.50
  4. Step 4: Simplify right side
    103,119.78x = 8,941,517,447.49
  5. Step 5: Solve for x
    x = 8,941,517,447.49/103,119.78
  6. Step 6: Final answer
    x = 86,710.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.